"New York, 1937. Europe is in turmoil and World War II seems inevitable, but Violet Bell has unfinished business and needs her granddaughters' help. Estranged sisters Clara and Madeleine Sommers reluctantly agree to travel to Paris, Venice, and Vienna together, echoing a journey Violet took forty years ago. In each city, they'll deliver a latter in which Violet will say goodbye to one of the most important people in her life. Constantly at odds with each other as they travel through Europe, Clara and Madeleine wonder if they can honor Violet's wish, until a shocking family secret brings them closer together. But as they reach Vienna to deliver the final letter, old grudges threaten their reconciliation again. As political and sibling tensions rise, the pair are glad to return to America, but fate has a final hand to play in their journey home aboard the Hindenburg"--Back cover.